Hair dryer



FIG. 1 is a top plan view of the hair dryer showing my new design;

FIG. 2 is a front elevational view of the hair dryer, the rearelevational view being a mirror image thereof;

FIG. 3 is a left side elevational view of the hair dryer;

FIG. 4 is a right side elevational view of the hair dryer; and

FIG. 5 is a bottom plan view of the hair dryer.

The ornamental design for a hair dryer, as shown and described.